3.2 Changelog

3.2.22 Changelog

Replication

SERVER-38425 Oplog Visibility Query is a collection scan in 3.2.21

Internals

SERVER-37127 Update baseline comparison for sys-perf

3.2.21 Changelog

Query

SERVER-35693 Parsing of $in takes quadratic time due to O(n^2) boost::flat_set constructor

Storage

SERVER-30724 Initial sync might miss ops that were in flight when it started
SERVER-34863 Disable LSM testing on 3.2, 3.4 and 3.6 branches

Operations

SERVER-35854 Log in 3.2 when client metadata is received
SERVER-36010 Change log messages for Windows stacktraces to use error() or severe() rather than log()
SERVER-36778 Make 3.2 client metadata log messages match 3.4+ format

Build and Packaging

SERVER-32999 Platform Support: remove Debian 7

Internals

SERVER-34371 Stop ignoring errors when the test fixture fails to delete data files
SERVER-34374 resmoke.py uses bytestrings for representing pathnames, leading to silently failing to clear the dbpath on Windows
SERVER-34380 system_perf.yml: Remove the compile_proxy task
SERVER-34540 Remove sleeptest from dbtests
SERVER-34793 Add call to BF suggestion server on failed task completion
SERVER-34851 Disallow index selection for identical min & max values on find
SERVER-34888 Track status of SSLPeerInfo
SERVER-34950 Use new sys-perf baseline 3.4.14-Baseline
SERVER-35071 Split MMAPv1 tasks into separate variants in sys-perf
SERVER-35108 Enable signal processing in system_perf.yml
SERVER-35207 Don't use json.get_history in system_perf.yml
SERVER-35264 compile fails on sys-perf-3.4 // SERVER-34380
SERVER-35858 Error in call BF Suggestion service
SERVER-35960 Blacklist findAndModify_update_grow.js from concurrency_sharded_sccc* Evergreen tasks
SERVER-36462 Add atlas user to runtime_secret.yml
WT-3637 Fix a heap use after free from evicting of a page that just split.
WT-3710 Fix a race condition between concurrent page splits
WT-4045 Don't retry fsync calls after EIO failure

3.2.20 Changelog

Security

SERVER-34193 Limit recursive definition ASN.1 types with OpenSSL update

Operations

SERVER-12644 Move note about noprealloc hurting performance to startup warnings
SERVER-24785 backup_restore.js fails when observing FTDC interim files
SERVER-30114 Monitor cumulative time spent in tcmalloc spin lock

Build and Packaging

SERVER-21317 Better fallback for builds with no version.json and no git repo
SERVER-31535 Platform Support: remove Ubuntu 12.04 builds
SERVER-31809 Start using toolchain python on macOS
SERVER-32923 Platform Support: remove SLES11 builds
SERVER-33184 Set LANG=C on ASAN Enterprise SSL Ubuntu 16.04 DEBUG to avoid "Invalid or no user locale set" error
SERVER-34149 Upgrade zlib to latest

Internals

SERVER-26790 bson_validate should verify OIDs can be skipped
SERVER-27408 burn_in_tests.py doesn't always exclude tagged tests when generating outfile
SERVER-32241 applyOps reports success even when a nested applyOps fails.
SERVER-32522 set_read_and_write_concerns.js treats mapReduce "out" field like aggregation's $out stage
SERVER-32583 Sys-perf update bootstrap variables to use proper ConfigDict Names
SERVER-32664 Sys-perf enable running baselines at lower priority
SERVER-32691 Create passthrough for w="majority" with 2-node replica set to address lost test coverage
SERVER-33142 Experiment with disabling cluster reuse in system_perf.yml
SERVER-33236 Update perf.yml to use ssh form of git clone
SERVER-33398 Add the new finer grained sys-perf tasks
SERVER-33670 Build mongo binaries with -ssl compile flag in system_perf.yml
SERVER-33751 Auth when connecting to an existing cluster in ReplSetTest
SERVER-33848 Update compile flags for sys-perf and performance projects
SERVER-33970 New baselines for mongo-perf
SERVER-34140 remove multiple distro specification for single tasks in evergreen configs
SERVER-34681 Don't use toolchain python on Linux 32-bit
WT-3533 eviction handle walk can race with handle re-open
WT-3590 Keep data consistent if writes fail during a clean shutdown
WT-3618 WT remove solaris from evergreen builds
WT-3994 Enhance WiredTiger Jenkins pull request tester for old branches

3.2.19 Changelog

Sharding

SERVER-32446 Mongod crashes when config servers upgraded to RS
SERVER-32569 Introduce uniform way to allow config servers and shard replica sets to start in non-cluster mode

Replication

SERVER-32805 [v3.2] Increase timeout for election in initiate_without_replset_name_at_startup.js

Query

SERVER-30189 Reduce calls to allocator for large $in expressions

Write Operations

SERVER-32048 Updates using a numeric path component may cause index entries not to be created

Storage

SERVER-31462 convertToCapped + renameCollection with dropTarget can cause a segfault
SERVER-32001 unindexing a key in a partial unique index may cause server crash

Operations

SERVER-30702 Stop printing stack traces in masserts

Build and Packaging

SERVER-30853 Update Mongod init scripts to set unlimited locked memory
SERVER-32271 Bump minimum MacOS version to 10.8 on stable branches
SERVER-32932 When testing SLES 12 packages make sure required repos exist

Internals

SERVER-23770 Remove read_concern_majority_passthrough_WT on Enterprise RHEL 6.2 (inMemory) on 3.2 branch
SERVER-28396 resmoke.py's logkeeper client should respect size limit for POST requests by splitting them up
SERVER-30770 system_perf.yml: Use new DSI interface and cleanup
SERVER-31380 Add metrics related to tcmalloc acquiring and decommitting memory from system
SERVER-31670 Change replica set fixture used by replica_sets_jscore_passthrough to make its secondary have zero votes
SERVER-31818 Add server parameter to disable MarkThread{temporary}Idle
SERVER-32087 Run test stage of sys-perf and mongo-perf failures should lead to red evergreen boxes
SERVER-32260 Call workload_setup.py from mongo repo
SERVER-32410 Validate User::CredentialData before attempting to perform authentication
SERVER-32527 Update package tests to use new BUILD2 VPC
SERVER-32740 Set bootstrap.ycsb_dir and bootstrap.workloads_dir in system_perf.yml
SERVER-32891 Sys-perf change order of mongodb_setup and workload_setup calls
SERVER-32896 Upload dsi-artifacts.yml in system_perf.yml
WT-3284 tree-walk restart bug
WT-3533 eviction handle walk can race with handle re-open
WT-3590 Keep data consistent if writes fail during a clean shutdown
WT-3618 WT remove solaris from evergreen builds

3.2.18 Changelog

Replication

SERVER-29649 Add startupWarning when a replset node is running with --nojournal but hasn't set writeConcernMajorityJournalDefault to false
SERVER-29772 Provide option to 3.2 and 3.4 to allow initial sync to complete even when it encounters renameCollection entries
SERVER-29937 Make sure liveness timeouts cannot be missed
SERVER-31587 ReplBatcher has a long-running OperationContext
SERVER-31589 A primary's SyncSourceFeedback only renews an OperationContext on role changes.
SERVER-32030 SyncTail::oplogApplication uses a long-running OperationContext (3.2/3.4)

Aggregation

SERVER-30009 MapReduce failure: missing ) in parenthetical

JavaScript

SERVER-29651 Interrupt signal is ignored when received inside certain functions.

Storage

SERVER-31101 WT table not dropped after collection is dropped due to long-running OperationContext
SERVER-31149 Enable recovery progress messages
SERVER-31403 Disable mongo-rocks variant on v3.2 and v3.4
SERVER-31590 WT yieldAndAwaitOplogDeletionRequest holds onto an OperationContext while blocking for an infrequent trigger

Operations

SERVER-19076 printShardingStatus/sh.status should pass a decent indent to tojson() for shard keys
SERVER-30361 mongod.conf bindIp option accept bogus parameters
SERVER-31176 mongo shell should use stderr for password prompt

Build and Packaging

SERVER-23440 Two unittests have the same name causing unittest target to fail
SERVER-30166 Use of string instead of std::string in some source files prevents compilation
SERVER-31459 GPG Error - KEYEXPIRED 1507497109

Internals

SERVER-21933 Update README
SERVER-29287 Upgrade pcre to 8.41
SERVER-30241 Attach workloads html to evergreen task
SERVER-30482 Mongos should not close sessions to below the configured ShardingTaskExecutorPoolMinSize
SERVER-30891 perf.yml: make the -repl variants run frequently
SERVER-30964 Blacklist new_freelist_upgrade_downgrade.js from 3.2 multiversion_auth suite
SERVER-31006 Use the latest release of curator on all branches
SERVER-31108 Update baseline tag for microbenchmarks
SERVER-31440 Connpool HostTimeout races with callback lock acquire/release
SERVER-31516 NamespaceString's no-arguments constructor results in an improperly initialized object, can later cause segfault
SERVER-31527 Rebaseline sys-perf after adjusting tests (3.4.9 and 3.2.17)
SERVER-31621 Sync buildscripts/scons.py across branches
SERVER-31717 Force C locale on Ubuntu 16.04 builders
SERVER-31957 Remove the timeseries support from etc/system_perf.yml
SERVER-32044 Use parameterized branch_name in performance projects

3.2.17 Changelog

Security

SERVER-25855 Increase more timeouts in mongos_cache_invalidation.js

Sharding

SERVER-29932 add asserts to mapReduce_inSharded_outSharded.js
SERVER-30333 Segfault in 3.2 when loading chunks with unknown shard
SERVER-30636 RangeDeleter assert failed because of replication lag
SERVER-31111 Add assert.commandWorked to migrateBig_balancer.js

Replication

SERVER-23148 patch multi_rs.js to ensure replSetMaintenance command succeeds
SERVER-26227 Increase waitForState timeouts in replicaset tests
SERVER-28192 priority_takeover_one_node_higher_priority jstest needs longer stepDownGuard
SERVER-28277 Need to increase timeout in read_committed_with_catalog_changes.js
SERVER-30049 applyOperation_inlock() allows exceptions from Collection::insertDocument() to percolate to caller
SERVER-30139 Increase waitForState timeout in replsetprio1.js

JavaScript

SERVER-23191 Group command needs to make a copy of the obj it passes to JS
SERVER-30875 Add support for a "no-owned bson" mode for JS Scopes
SERVER-30943 Segmentation fault on attempt to access an invalidated BSON Object in JS scope
SERVER-30971 Use of "scope" field in mapReduce triggers BSONObj ownership error

Storage

SERVER-30490 Compile RocksDB with USE_RTTI=1

Build and Packaging

SERVER-30558 Remove Solaris builds from master

Internals

SERVER-26389 Make javascript periodic interrupts disabled by default
SERVER-29087 system-perf.yml needs to be changed to use the new name for the timeseries html file
SERVER-29524 sys-perf: Call infrastructure_provisioning.py instead of infrastructure_provisioning.sh
SERVER-29565 Remove sys-perf compare tasks
SERVER-29714 Add Exception Message to Validate_Locale.cpp
SERVER-30124 Move static function-level variables in populateDocumentWithQueryFields to an anonymous namespace
SERVER-30433 Increase Watchdog Test timeouts
SERVER-30938 Enable ycsb-wmajority tests in system_perf.yml
WT-3219 Make the clang-analyzer job fail when lint is introduced
WT-3297 support the gcc/clang -fvisibility=hidden flag
WT-3327 Checkpoints can hang if time runs backward
WT-3331 Test format aborted due to time rollback
WT-3438 Don't tune eviction thread count when the count is fixed
WT-3471 Clear out each session's table cache
WT-3499 Checkpoint can miss not yet committed item

3.2.16 Changelog

Replication

SERVER-28578 When doing an upgrade from PV0 to PV1, we should not return from the reconfigure until the lastVote document is written.
SERVER-28815 multi_rs.js - step down primary during upgrade/downgrade without {force:true}
SERVER-29540 awaitNodesAgreeOnPrimary should log why it retries

Internals

SERVER-26952 Cache SCRAM-SHA-1 ClientKey
SERVER-28052 Make SHA1Hash a full fledged class
SERVER-28997 Limit SCRAM-SHA-1 Cache's use of Secure Memory
SERVER-29035 Update system-perf.yml baseline references
SERVER-29568 Enable configuration of OpenSSL cipher suite via setParameter
SERVER-29947 Implement Storage Node Watchdog
SERVER-30132 Storage Node Watchdog needs to check journal directory
SERVER-30169 Increase Watchdog Test timeouts

3.2.15 Changelog

Replication

SERVER-26136 disallow_adding_initialized_node2.js should handle connection refused heartbeat message in DOWN node's status or skip heartbeat message check
SERVER-28378 Extend secondary catch up period in priority_takeover_two_nodes_equal_priority.js
SERVER-28578 When doing an upgrade from PV0 to PV1, we should not return from the reconfigure until the lastVote document is written.
SERVER-28877 Cancel race in replication executor can cause elections to assert.

JavaScript

SERVER-26002 Spidermonkey interrupt callback can cause sleepmillis to return early

Storage

SERVER-27347 Only close idle cached cursors on the WiredTiger ident that is busy

WiredTiger

SERVER-25789 WiredTiger sessions should be reset before returning to the cache

Operations

SERVER-29509 shell_history.js should tolerate extended file ACLs

Build and Packaging

SERVER-29409 Reduce Amazon Linux Enterprise build to weekly
SERVER-29503 Migrate server build from 10.10 instances to new 10.12 instances

Internals

SERVER-29148 Increase run time for mongos tests in sys-perf
SERVER-29237 Add maxConnecting in asio connpool
SERVER-29433 Improve logging during ReplicaSetFixture initialization
SERVER-29485 Use vendorized YCSB in sys-perf.yml
SERVER-29516 Tools build on OS X needs to set -mmacosx-version-min in CGO_{C,LD}FLAGS
SERVER-29527 Use infrastructure_provisioning.sh and infrastructure_teardown.sh
SERVER-29646 hang_analyzer.py should send a SIGUSR1 to resmoke.py before attaching to any processes
SERVER-29680 Update perf.yml microbenchmarks replset config
WT-3158 Fix structure layout on Windows.
WT-3362 Cursor opens should never block for the duration of a checkpoint
WT-3369 WT_CURSOR->uri should always match the URI used to open the cursor
WT-3373 Access violation due to a bug in internal page splitting

3.2.14 Changelog

Security

SERVER-25335 0002 umask yields world-readable .dbshell history file
SERVER-28014 When SSL mode is preferSSL, log connections that do not use SSL

Sharding

SERVER-27701 mongos crashed with "Invariant failure remote.status.isOK()"
SERVER-28351 blacklist move_stale_mongos.js and split_stale_mongos.js from the continuous stepdown suite
SERVER-29365 v3.2 no-op applyOps doesn't wait for majority writeConcern before returning.
SERVER-29385 v3.2: Add {_waitForDelete: true} to moveChunk commands in move_stale_mongos.js and cleanup_orphaned_basic.js

Replication

SERVER-28100 extend ReplSetTest.awaitNodesAgreeOnPrimary() to accept an optional expectedPrimaryIndex

JavaScript

SERVER-25764 ImplScope needs a background task to invoke it's interrupt callback

Operations

SERVER-22053 Insertion of Array with undefined/null components.

Build and Packaging

SERVER-29352 Disable SNMP integration for OS X enterprise builds
SERVER-26781 Add support for building with openssl 1.1.0
SERVER-27682 Add SCons variable files for the MongoDB GCC and clang toolchains
SERVER-28484 Remove timestamp from Linux package versions and filenames

Internals

SERVER-21842 Generate report.json file and dump stacks on Windows when Event object created by resmoke.py is set
SERVER-22582 Wrap assert.soon bodies in try catch in replsettest.js
SERVER-22921 Log network interface ASIO response at log level 2
SERVER-23684 async_stream_test - Expected: !(stream.isOpen())
SERVER-26452 renameCollection should handle write conflicts
SERVER-28109 Configure Mac OS X Builders to use toolchain OpenSSL headers
SERVER-28323 Don't pass JavaScript scopes a function ID number
SERVER-28466 The hang analyzer should not attach to resmoke.py in Evergreen
SERVER-28710 vectorized send() should handle EWOULDBLOCK
SERVER-28996 MongoURI::connect can leak a DBClientInterface object on auth failure

3.2.13 Changelog

Sharding

SERVER-22823 authCommands.js failure - shard filtered and unfiltered doc count mismatch after migration
SERVER-23915 Make {split,move}_stale_mongos.js wait for split to propagate to all config servers
SERVER-27460 RouterStageMerge::kill() can crash during mongos shutdown
SERVER-27864 SlaveOK reads against SCCC config server fail with error "all servers down/unreachable when querying"
SERVER-28447 Migration critical section for one collection will block finds for any other sharded collection
SERVER-28448 Shard find commands get unnecessarily serialized by the ShardingState refresh rate limiting

Replication

SERVER-22030 Abort if oplog is uncapped when starting in repl mode
SERVER-22291 ReplicationCoordinatorImpl::_requestRemotePrimaryStepdown doesn't work
SERVER-22505 update requestVotes to use durable instead of committed to describe its OpTime
SERVER-23091 allow enough time for data load on OS X for resync_with_write_load.js
SERVER-23163 ReplicationExecutor::onEvent() should signal worker thread when the work is ready
SERVER-24536 nodes can run an election while stepping down
SERVER-24811 replSetFreeze command can result in a crash if used during a dry-run election
SERVER-25210 Deadlock in Master/Slave Startup on Windows 2008 R2
SERVER-25519 repl::checkForCappedOplog will segfault if the local database doesn't exist
SERVER-25714 Don't wait for db work in executor when upgrading protocol verison
SERVER-25977 Increase default assert.soon timeout to 5 minutes
SERVER-25995 raise timeout for priority takeover in replsets_priority1.js
SERVER-26076 Increase default ReplSetTest awaitReplication() timeout to 5 minutes
SERVER-26381 Increase timeout for waiting for node to become primary in priority_takeover_cascading_priorities.js
SERVER-26741 "Fatal Assertion 16360" triggered by temporary collections dropped when restarted in standalone mode
SERVER-26914 improve log messages for freshness checking
SERVER-27231 add failpoint to turn off re-evaluating sync sources, for jstests that manipulate chaining
SERVER-27352 Fix stepdown command in double_rollback.js
SERVER-27403 Consider term and rbid when validating the proposed sync source
SERVER-27794 Provide write concern to bulk insert in indexbg_drop.js
SERVER-27816 increase wtimeout in sync2.js
SERVER-27840 add wtimeout to write concerns in protocol_version_upgrade_downgrade.js
SERVER-27861 Make the failover in drain.js more reliable
SERVER-27966 last_vote.js should wait for replication before stepping down node 0 pre-reconfig
SERVER-28005 Oplog query network timeout is less than the maxTimeMs
SERVER-28041 remove awaitNodesAgreeOnPrimary() call in sync2.js
SERVER-28050 Reconnect connection after stepdown in read_committed_stale_history.js
SERVER-28096 Fix 3.2 jstest stepUp functions
SERVER-28110 Set secondaryCatchUpPeriodSecs smaller when requesting remote primary stepdown
SERVER-28135 stepdown.js should always fsyncUnlock() all secondary nodes
SERVER-28184 remove election_timing.js (and lib/election_timing_test.js)
SERVER-28278 Wait for desired sync source to replicate dummy write before running replSetSyncFrom in syncFrom shell helper
SERVER-28315 replBatchLimitBytes should be 100MB in MongoDB 3.2
SERVER-28686 rollback_after_sync_source_selection.js should wait for rollback to complete before stopping replica set
SERVER-28813 drop collection before doing dummy write in syncFrom helper

Query

SERVER-26139 Need to abandon snapshot after replication spawns a background index build
SERVER-26734 indexStats action is not sufficient privileges for $indexStats operator
SERVER-28546 documents can erroneously be unindexed from a partial index

Aggregation

SERVER-27420 Aggregation should explicitly parse apart BSON Arrays

JavaScript

SERVER-21957 Circular JS objects cause use-after-free in ObjectWrapper::toBSON
SERVER-25192 Object.extend doesn't handle null properties

Storage

SERVER-3181 Add option to listDatabases to only get db names, not size info
SERVER-23127 Add additional tests for read commited
SERVER-25318 Limit total memory utilization for bulk index builds
SERVER-27014 Disable inmem_full.js test until cache full handling is improved
SERVER-27807 creating a snapshot and registering it in the replcoord is not synchronous
SERVER-27936 fix improper release of locks in master/slave handleDuplicateDbName
SERVER-28038 Improve WiredTigerRecordStore invariants for capped visiblity
SERVER-28357 should not enforceQuota on MMAPv1 compact
SERVER-28548 mmap b-tree removals may cause index readers or writers to return invalid data
SERVER-28572 Update test case to use valid custom WiredTiger configuration values

WiredTiger

SERVER-28026 Disable auto-tuning of WiredTiger eviction threads

MMAP

SERVER-24963 Concurrent collection.drop() and system.indexes.count() can trigger an fassert
SERVER-27930 Accessing cursor with pending data after renaming collection may trigger fassert
SERVER-27996 Accessing system.namespaces cursor with pending data after removing namespaces may cause crash
SERVER-28022 Accessing cursor with pending data after forcing system.namespaces record move may cause crash

TTL

SERVER-28154 Race condition in ttl_sharded.js

Operations

SERVER-9492 Report host uptime/start-time
SERVER-16796 Increase logging activity for journal recovery operations
SERVER-21818 Capture system metrics in FTDC
SERVER-22707 MongoDB shell's parsing of connection string uses incorrect regular expression
SERVER-24594 raise default write concern timeout for security shell helpers
SERVER-25179 Include only subset of memory statistics in diagnostic data
SERVER-25182 Add metric for number of CPUs
SERVER-25926 Windows audit bson output erroneously translates LF to CR LF
SERVER-26343 Inserting DBPointer.prototype into collection segmentation faults mongo shell
SERVER-28380 Add a test-only clearLog command for clearing out RamLog, use it in tests when checking for a specific log message

Build and Packaging

SERVER-19986 clang-format.py lint fails in mci if files were deleted
SERVER-20540 Support compiling with split DWARF debug info
SERVER-22106 mongodb-org-3.2.0 on RHEL6 requires openssl>=1.0.1e
SERVER-24245 Migrate sanitizer builds to Ubuntu 16.04 images
SERVER-27140 Linux package smoke testing
SERVER-27836 Package smoke testing should retry verify step and not call converge
SERVER-28390 Mark link targets as Precious when incremental linking flags are enabled
SERVER-28417 Update to Mozilla ESR 38.8.0 [3.2]

Internals

SERVER-21539 Generate report.json file when resmoke.py receives a SIGUSR1
SERVER-22200 resmoke.py claims to mark a test as a failure, then reports it as an error
SERVER-23082 race in ThreadPoolTaskExecutor between scheduleWorkAt() and cancel()
SERVER-23959 option to allow disabling job object creation in smoke.py for win32
SERVER-24085 LockManager doesn't grant all read requests on GlobalLock MODE_S grant
SERVER-24121 Client Spinlock should not be held while calling lock manager
SERVER-24350 Enabling SSL FIPS mode fails with unexpected error message on Ubuntu 16.04
SERVER-24572 Add support for collecting information from /proc/stat
SERVER-24595 enforce ismaster responses have ok:1 before negotiating protocol
SERVER-24605 Add support for collecting information from /proc/meminfo
SERVER-24606 Add support for collecting information from /proc/diskstats
SERVER-24607 Add Collector for system statistics
SERVER-24608 Add Windows performance counter collector
SERVER-24610 Add FTDC Collector for Windows Performance Counters
SERVER-24616 Add new getDiagnosticData command
SERVER-25218 Make connPoolStats useful
SERVER-25226 diagdata.js needs to wait for FTDC to startup
SERVER-25372 All builders required for patch builds should start with '!' so that they sort first
SERVER-25385 gcc 6.1 warning: nonnull-compare in util/assert_util.h
SERVER-26101 DBDirectClient isn't safe to auth
SERVER-26860 add more unittests for compatible-first locking policy
SERVER-27441 Improvements to Linux package smoke testing
SERVER-27687 ppc64le build incorrectly indicates pointer size of 32
SERVER-27700 WT secondary performance drops to near-zero with cache full
SERVER-27784 Remove httpget() from packager.py
SERVER-27827 Improve package smoke testing retry logic
SERVER-27920 Fix incorrect locking of Client context
SERVER-27983 Move sys-perf state to /data from $HOME
SERVER-28000 sys-perf: Organize all dsi yaml config files under configurations/
SERVER-28067 Update sys-perf.yml to copy over cluster.json
SERVER-28086 Update system-perf.yml tagged commit
SERVER-28147 Increase time out on sys-perf shard tests
SERVER-28169 Set eviction=(threads_min=1) in Microbenchmarks testing
SERVER-28259 Log time to establish egress connections through NetworkInterfaceASIO
SERVER-28287 Split sys-perf sharded cluster custom workloads task into multiple tasks
SERVER-28329 Remove comparison tasks from Microbenchmarks
SERVER-28426 Update etc/longevity.yml to use run_test.py instead of run-${test}.sh
SERVER-28430 Expose dropConnections() method on ConnectionPool through the NetworkInterface
SERVER-28489 MockStream should handle cancellation while it is paused
SERVER-28584 Remove initialsync_{WT|MMAPv1}_dr tasks from sys-perf
SERVER-28652 Add logging to track egress connection pool size
SERVER-28692 Move shell tarball generation to compile task
SERVER-28760 Add egress logging to legacy write path
SERVER-28833 FTDC for System Stats does not compile on 32-bit
TOOLS-1605 Conditionally create a Windows job object in smoke.py
WT-98 Update the current cursor value without a search
WT-2439 Enhance reconciliation page layout
WT-2771 Add a statistic to track per-btree dirty cache usage
WT-2790 Fix a text case false positive in test_sweep01
WT-2833 improvement: add projections to wt dump utility
WT-2898 Improve performance of eviction-heavy workloads by dynamically controlling the number of eviction threads
WT-2909 Create automatable test verifying checkpoint integrity after errors
WT-2990 checkpoint load live_open assertion failure
WT-2994 Create documentation describing page sizes and relationships
WT-3080 Python test suite: add timestamp or elapsed time for tests
WT-3082 Python test suite: shorten default run to avoid pull request timeouts.
WT-3083 Fix a bug in wtperf config dump
WT-3086 Add transaction state information to cache stuck diagnostic information
WT-3088 bug: Don't evict a page with refs visible to readers after a split
WT-3091 Add stats to test_perf0001
WT-3092 Quiet a warning from autogen.sh
WT-3093 Padding the WT_RWLOCK structure grew the WT_PAGE structure.
WT-3097 Race on reconfigure or shutdown can lead to waiting for statistics log server
WT-3099 lint: static function declarations, non-text characters in documentation
WT-3100 test bug: format is weighted to delete, insert, then write operations.
WT-3104 Fix wtperf configs for eviction tests
WT-3105 Fix a deadlock caused by allocating eviction thread sessions dynamically
WT-3106 Add truncate support to command line wt utility
WT-3108 Also dump disk page size as part of metadata information
WT-3109 wording fix in transaction doc
WT-3110 Add more test cases for the WT command line utility
WT-3111 util_create() doesnt free memory assigned to "uri"
WT-3112 Handle list lock statistic not incremented in eviction server
WT-3113 Add a verbose mode to dump the cache when eviction is stuck
WT-3114 Avoid archiving log files immediately after recovery
WT-3115 Change the dhandle lock to a read/write lock
WT-3116 Python style testing in s_all may not execute correctly
WT-3118 Protect random-abort test against unexpectedly slow child start
WT-3120 Fix ordering problem in connection_close for filesystem loaded in an extension
WT-3121 In test suite create standard way to load extensions
WT-3127 bug: CPU yield calls don't necessarily imply memory barriers
WT-3134 Coverity scan reports 1368529 and 1368528
WT-3135 search_near() for index with custom collator
WT-3136 bug fix: WiredTiger doesn't check sprintf calls for error return
WT-3137 Hang in __log_slot_join/__log_slot_switch_internal
WT-3139 Enhance wtperf to support periodic table scans
WT-3144 bug fix: random cursor returns not-found when descending to an empty page
WT-3148 Improve eviction efficiency with many small trees
WT-3149 Change eviction to start new walks from a random place in the tree
WT-3150 Reduce impact of checkpoints on eviction server
WT-3152 Convert table lock from a spinlock to a read write lock
WT-3155 Remove WT_CONN_SERVER_RUN flag
WT-3156 Assertion in log_write fires after write failure
WT-3157 checkpoint/transaction integrity issue when writes fail.
WT-3159 Incorrect key for index containing multiple variable sized entries
WT-3161 checkpoint hang after write failure injection.
WT-3164 Ensure all relevant btree fields are reset on checkpoint error
WT-3170 Clear the eviction walk point while populating from a tree
WT-3173 Add runtime detection for s390x CRC32 hardware support
WT-3174 Coverity/lint cleanup
WT-3175 New hang in internal page split
WT-3179 test bug: clang sanitizer failure in fail_fs
WT-3180 fault injection tests should only run as "long" tests and should not create core files
WT-3182 Switch make-check to run the short test suite by default
WT-3184 Problem duplicating index cursor with custom collator
WT-3186 Fix error path and panic detection in logging loops
WT-3187 Hang on shutdown with a busy cache pool
WT-3188 Fix error handling in logging where fatal errors could lead to a hang
WT-3189 Fix a segfault in the eviction server random positioning
WT-3190 Enhance eviction thread auto-tuning algorithm
WT-3191 lint
WT-3193 Close a race between verify opening a handle and eviction visiting it
WT-3196 Race with LSM and eviction when switching chunks
WT-3199 bug: eviction assertion failure
WT-3202 wtperf report an error on in_memory=true mode : No such file or directory
WT-3203 bulk-load state changes can race
WT-3204 eviction changes cost LSM performance
WT-3206 bug: core dump on NULL page index
WT-3207 Drops with checkpoint_wait=false should not wait for checkpoints

3.2.12 Changelog

Security

SERVER-26839 Improve readWriteDatabase role coverage

Sharding

SERVER-24994 Assertion when sharded collection is dropped during metadata changes
SERVER-26987 Sharded find operations stall for several seconds during chunk migration

Replication

SERVER-21432 Allow slaveOk reads while in drain mode
SERVER-22136 Attach term metadata to UpdatePosition command
SERVER-24927 Ignore NamespaceNotFound errors during initial sync apply ops, because they are transient
SERVER-25860 Flatten / optimize fixup_info
SERVER-26106 Raise oplog socket timeout for rollback
SERVER-26117 renameCollection 'c' op should restart initial sync upon application
SERVER-26118 CollMod 'c' op: ignore metadata error when applying ttl-time changes
SERVER-26747 replSetStepDown should wait for last write to commit
SERVER-27024 Write additional test for new replSetStepDown behavior
SERVER-27050 Ensure upstream node doesn't roll back after checking minvald
SERVER-27118 Default shutdown command's 'timeoutSecs' argument to 10 seconds
SERVER-27123 Only update commit point via spanning tree
SERVER-27125 Arbiters in pv1 should vote no in elections if they can see a healthy primary of equal or greater priority to the candidate
SERVER-27149 Sync source selection doesn't consider terms
SERVER-27154 replSetRequestVotes command should wait for durability
SERVER-27155 replSetRequestVotes records dryRun votes as real
SERVER-27157 replSetRequestVotes doesn't synchronize between processing and recording request
SERVER-27164 Deadlock during oplog application when implicitly creating multiple collections on the same DB
SERVER-27196 add timeouts to stepdown_needs_electable_secondary.js
SERVER-27214 Disallow chaining in stepdown_needs_electable_secondary.js and stepdown_needs_majority.js
SERVER-27282 Clean up and fix bugs in RS rollback error handling
SERVER-27365 reconfig_without_increased_queues.js should initiate node 2 of its replicaset with priority 0
SERVER-27461 Retry connecting to shut down primary until failure in shutdown_primary.js
SERVER-27544 shutdown_primary.js shouldn't try to disable rsSyncStopApply failpoint on primary
SERVER-27582 lastVote is not properly initialized
SERVER-27656 Ensure node 0 is not primary during reconfig in last_vote.js
SERVER-27657 last_vote.js should wait for reconfig to reach all nodes before continuing
SERVER-27783 Remove unnecessary lock in SyncSourceFeedback

Query

SERVER-26492 2dsphere geoNear density estimator should stop once it exceeds $maxDistance
SERVER-26693 change indexbg1.js / indexbg2.js to wait on its spawned shell process before it finishes
SERVER-27042 Fix and modernize currentop.js

Write Operations

SERVER-24563 Secondary crash when inserting document into db with different case

Aggregation

SERVER-25865 $group operation is slow since MongoDB 3.2 on Windows
SERVER-27304 Create setParameter to make all aggregations which require merging select the primary shard as the merger

JavaScript

SERVER-25825 Authz test for user-defined roles does not properly manipulate privileges

Storage

SERVER-25004 Collection validator rule is mismatched across nodes after failed collMod command
SERVER-25286 Remove drop2.js dependency on count scan yield behavior
SERVER-27217 Allow nopreallocj to be specified in YAML config file

WiredTiger

SERVER-25012 createIndex blocks for duration of checkpoint while holding locks
SERVER-26545 Remove fixed-size limitation on WiredTiger hazard pointers

Operations

SERVER-26989 3.2 should fail with helpful error message if started on featureCompatibilityVersion=3.4 data files

Build and Packaging

SERVER-17368 Create windows SSL zip file with OpenSSL files
SERVER-24245 Migrate sanitizer builds to Ubuntu 16.04 images
SERVER-27063 Missing 'main/binary-i386/Packages' in Release file
SERVER-27151 Hash sum mismach on Ubuntu 14.04 of 3.2.x community version

Internals

SERVER-26162 simple_snmpwalk.js can fail spuriously if serverStatus logs the string "assert"
SERVER-26445 resmoke.py's LoggerPipe threads can stop consuming output from their pipes for long periods
SERVER-26940 Network Interface ASIO Integration Test stress test opens too many connections on windows
SERVER-26981 Update mongo-perf
SERVER-27068 Fix Evergreen expansion script for 3.2
SERVER-27183 sys-perf: Add runtime.yml, runtime_secret.yml and bootstrap.yml modules to the ConfigDict system
SERVER-27202 Mark sys-perf cluster idle after regression runs
SERVER-27208 Update microbenchmarks to use next mongo-perf release
SERVER-27232 Refresh and Setup timeouts in the ASIO connpool can prematurely time out an operation
SERVER-27240 ConnectBG must not close() while the background thread is active
SERVER-27275 Longevity uploads compiled mongod archive to different url than sys-perf
SERVER-27343 Reduce Frequency of sys-perf runs
SERVER-27350 Enable access control for microbenchmarks in Evergreen
SERVER-27358 Socket::connect expects _timeout field to be in milliseconds
SERVER-27456 Microbenchmarks: Increase inMemorySizeGB and oplogSize
SERVER-27568 mongo-perf: Release 2017-01
SERVER-27618 Make NetworkInterfaceASIO stress test less stressful
TOOLS-1488 provide IO buffers to oplog archive intents
WT-283 Add a way to change persistent object settings
WT-2336 Add a test validating schema operations via file system call monitoring
WT-2402 Misaligned structure accesses lead to undefined behavior
WT-2670 Inefficient I/O when read full DB (poor readahead)
WT-2960 Inserting multi-megabyte values can cause pathological lookaside usage
WT-2962 Provide a way to configure builtin extensions
WT-2969 Possible snapshot corruption during compaction
WT-2984 Search of metadata for recently created collection gets WT_NOTFOUND
WT-3002 Allow applications to exempt threads from eviction.
WT-3004 lint: declare functions that don't return a value as void
WT-3011 __wt_curjoin_open() saves the wrong URI in the cursor.
WT-3012 Test format hanging on LSM configurations
WT-3014 Add GCC/clang support for ELF symbol visibility.
WT-3015 Test format stuck with 2mb cache
WT-3016 Tests needed for systems without ftruncate
WT-3017 Hazard pointer race with page replace causes error
WT-3018 lint
WT-3020 LSM primary changes impact parallel-pop-lsm load time
WT-3021 Fixes needed for Java log cursor example, Java raw mode cursors, log cursors in raw mode
WT-3022 LSM operations get stuck in __wt_clsm_await_switch waiting for switch on tree to complete
WT-3023 Test format hang on zSeries
WT-3024 wtperf medium-lsm-compact test can hang
WT-3025 fix error path in log_force_sync
WT-3028 Workloads with all dirty pages could trigger diagnostic stuck check
WT-3030 Test failure indicating invalid key order during traversal
WT-3034 Add support for single-writer named snapshots.
WT-3037 Fix some outdated comments in logging
WT-3048 WiredTiger maximum size warning uses the wrong format.
WT-3051 Remove external __wt_hex symbol.
WT-3052 Improve search if an index hint is wrong
WT-3053 Review Python and Java calls to internal WiredTiger functions
WT-3054 Java PackTest, PackTest03 do not compile
WT-3055 Java AsyncTest faults
WT-3056 For cursors with projections, keys should be allowed
WT-3057 WiredTiger hazard pointers should use the WT_REF, not the WT_PAGE.
WT-3061 syscall test runs with checkpoint_sync=false and doesn't acknowledge pwrite64
WT-3064 minor tree cleanups: .gitignore, NEWS misspelling
WT-3066 lint
WT-3068 Copy wtperf artifacts when running Jenkins tests
WT-3069 Fix build failures in LevelDB APIs
WT-3070 Fix search_near() for index cursor
WT-3071 Java: fix build with -Werror=sign-conversion
WT-3075 Document and enforce that WiredTiger now depends on Python 2.7
WT-3078 Fix a hang in the reconfiguration test.
WT-3084 Fix Coverity resource leak complaint.

3.2.11 Changelog

Sharding

SERVER-25854 Change count() to itcount() in sharding_with_x509.js to avoid incorrect counts due to ongoing migrations
SERVER-26231 Remove printShardingStatus call from bouncing_count.js
SERVER-26365 mergeChunks fails with empty error message if merging chunks that were moved
SERVER-26484 Black-list jumbo1.js from continuous stepdown suite on 3.2 branch
SERVER-26737 Segmentation fault in mongos at shutdown due to unconstructed ClientCursorManager
SERVER-26859 AsyncResultsMerger replica set retargeting may block the ASIO callback threads
SERVER-26898 _migrateClone may hold WT snapshot for a long time

Replication

SERVER-7200 use oplog as op buffer on secondaries
SERVER-22472 rollback_index.js
SERVER-25145 During rollback (or w/minvalid invalid) select sync source based on end OpTime
SERVER-25486 increase wait time in slavedelay1.js to check replication delay
SERVER-25994 Allow applyOps to validate authorization permissions at the operation level
SERVER-26142 disable timing checks in election_timing.js
SERVER-26146 jstests/replsets/clean_shutdown_oplog_state.js should use ReplSetTest.initiate()
SERVER-26182 3.2 node syncing from a 3.0 node can crash due to too-large BSON during upconversion to find command reply
SERVER-26748 Don't call for priority takeover when repl lagged
SERVER-26899 initialize_from_old_node.js should await replication before shutting down

Aggregation

SERVER-24168 Increase tolerance in SampleFromRandomCursorBasics::MimicNonOptimized
SERVER-24386 3.2.6 Segmentation Fault after a network problem

Storage

SERVER-23510 Fix index_retry.js and index_no_retry.js to not be timing-based
SERVER-25715 Stop leaking WiredTigerSessions at shutdown

WiredTiger

SERVER-25312 invalid wiredTiger configString in the createIndexes command can fassert
SERVER-26753 Minor speed regression (13%) and 'choppy' performance in 3.4 vs 3.2

Operations

SERVER-26465 Log somap info when doing heap profiling

Build and Packaging

SERVER-24662 Update to PCRE 8.39
SERVER-26583 MongoDB 3.4 packages appearing in 3.2 repo when running yum update
SERVER-26652 Invalid definitions in systemd configuration for debian

Internals

SERVER-21260 Sys-perf and longevity project to always upload log files even when there is a system failure.
SERVER-23379 MongoDB Enterprise compiled on OS X 10.10 fails to start on OS X 10.8
SERVER-24055 Increase wtimeout in chaining_removal.js
SERVER-25546 Handle slaveDelay as part of op batching on secondaries
SERVER-25777 StopMongoProgram shouldn't implicitly switch to SIGKILL
SERVER-25919 Rewrite NetworkInterfaceASIO stress test
SERVER-26167 mongo-perf: Remove wt-mmap comparison variants
SERVER-26406 sys-perf, mongo-perf: Add Evergreen task to the post test analysis override json files
SERVER-26477 Use non-throwing variant of asio::basic_socket::cancel
SERVER-26647 Report additional timeout information in NetworkInterfaceASIO
SERVER-26689 Update call to setup-cluster.sh in system-perf.yml and longevity.yml
SERVER-26813 Enable longevity performance test for 3.2 branch
TOOLS-1488 provide IO buffers to oplog archive intents
WT-1592 Dump detailed cache information via statistics
WT-2403 Enhance random cursor implementation for LSM trees
WT-2415 Add option for join cursors to return false positives from a Bloom filter
WT-2831 Skip creating a checkpoint if there have been no changes
WT-2858 rename wtperf's CONFIG structure
WT-2880 Add support for Zstandard compression
WT-2895 Reduce the runtime of make check testing with disable long
WT-2904 Fix a bug where the reported checkpoint size could be many times data size
WT-2907 Bug in Java ConcurrentCloseTest case
WT-2917 split wtperf's configuration into per-database and per-run parts
WT-2920 Add statistic tracking application thread cache maintenance time
WT-2931 Configure default in-memory dirty cache usage lower
WT-2932 Allow applications to selectively ignore cache limit with in-memory configuration
WT-2933 Fix a race between named snapshots and checkpoints
WT-2937 test_inmem01 aborts due to stuck cache
WT-2938 Assembly files should end in .sx, not .S
WT-2941 Improve test/format to use faster key-generation functions
WT-2942 verbose strings don't need newline
WT-2945 Occasional hang running reconfigure fuzz test
WT-2946 dist/s_docs incompatible with OS X Xcode installation
WT-2947 test suite populate functions need refactoring
WT-2948 simplify error handling by making epoch time return never fail
WT-2949 Add an option to wtperf to not close connection on shutdown
WT-2950 Inserting multi-megabyte values can cause large in-memory pages
WT-2953 Test format failure - stuck cache with 1/42MB dirty
WT-2954 Inserting multi-megabyte values can cause large in-memory pages
WT-2955 Add statistics tracking the amount of time threads spend waiting for high level locks
WT-2956 utility tests -h option is always overridden by the default setup
WT-2959 Ensure WT_SESSION_IMPL is never used before it's initialized
WT-2961 Add a version drop-down to the web version of the docs
WT-2963 Race setting max_entries during eviction
WT-2964 WTPERF parallel-pop-btree hung in populate phase
WT-2965 test_wt2323_join_visibility can hang on OSX
WT-2968 backup cursor opens every file
WT-2971 Add documentation for raw-compression to the tune_compression page in WT docs
WT-2974 lint
WT-2975 Reduce the memory allocated for statistics
WT-2976 Add a statistic tracking how long application threads spend doing I/O
WT-2977 Csuite LSM Random test can occasionally fail
WT-2985 Race during checkpoint can cause a core dump
WT-2987 Fix a bug where opening a cursor on an incomplete table drops core
WT-2988 __wt_epoch potentially returns garbage values.
WT-2991 Coverity issue 1365198
WT-2998 Add error messages to error returns that might be confusing.
WT-2999 Memory leak in join WT_CURSOR with custom extractor
WT-3001 WT_EXTENSION_API references are named inconsistently.
WT-3003 log generation should not auto generate the record and op types
WT-3005 Add top-level .gitignore file.
WT-3007 Remove duplicated word in comment
WT-3008 Run wtperf stress testing against all maintained branches
WT-3009 Test format hung/aborted with small cache (sub 10mB)

3.2.10 Changelog

Sharding

SERVER-23598 Race in config.version intialization
SERVER-25516 Add setParameter option to 3.2 to prevent the replica set monitor from ever giving up on monitoring a set
SERVER-25527 Send the version of the chunk being moved as part of the shard moveChunk and splitChunk commands
SERVER-25574 Remove jstest/core/hashtest.1js
SERVER-25602 splitChunk command with out of bound splitKeys fails, but still updates the chunks

Replication

SERVER-22136 Attach term metadata to UpdatePosition command
SERVER-24254 Wait for nodes to agree on primary in maxSyncSourceLagSecs.js and chaining_removal.js
SERVER-24926 replset8.js should call ReplSetTest.awaitReplication() to be consistent with comment in test.
SERVER-25946 increase failover limit in election_timing.js

Query

SERVER-24320 Planner can attempt to use invalid index when using plan cache due to plan cache key / MatchExpression sorting inconsistency
SERVER-24901 rollback5.js should not depend on size storer value to get collection size
SERVER-25443 Remove Linux (Decimal Enabled) test variant
SERVER-25951 MongoDB 3.2: Report additional metrics in getMore slowms logging

Write Operations

SERVER-16801 update considers a change in numerical type to be a noop

Aggregation

SERVER-25039 Aggregation can attempt to re-plan after collection has been dropped

JavaScript

SERVER-25056 ImplScope should check interruptability against an opctx

WiredTiger

WT-2863 Support UTF-8 paths on Windows
WT-2865 eviction thread error failure
WT-2026 Maximum pages size at eviction too large
WT-2221 Document which statistics are available via a "fast" configuration vs. an "all" configuration
WT-2233 Investigate changing when the eviction server switches to aggressive mode.
WT-2239 Make sure LSM cursors read up to date dsk_gen, it was racing with compact
WT-2323 Allocate a transaction ID at the beginning of join cursor iteration
WT-2843 Fix a bug in recovery if there is no filesystem truncate support
WT-2846 Several bugs related to reconfiguring eviction server at runtime
WT-2353 Failure to create async threads as part of a wiredtiger_open call will cause a hang
WT-2380 Make scripts fail if code doesn't match style
WT-2486 Update make check so that it runs faster
WT-2555 make format run on Windows
WT-2578 remove write barriers from the TAILQ_INSERT_XXX macros
WT-2631 nullptr is passed for parameters marked with attribute non-null
WT-2638 ftruncate may not be supported
WT-2645 wt dump: push the complexity of collecting metadata into a dump cursor
WT-2648 cache-line alignment for new ports
WT-2665 Limit allocator fragmentation in WiredTiger
WT-2678 The metadata should not imply that an empty value is true
WT-2688 configure --enable-python doesn't check for availability of swig
WT-2693 Check open_cursor error paths for consistent handling
WT-2695 Integrate s390x accelerated crc32c support
WT-2719 add fuzz testing for WiredTiger options and reconfiguration.
WT-2728 Don't re-read log file headers during log_flush
WT-2731 Raw compression can create pages that are larger than expected
WT-2732 Coverity analysis defect 99665: Redundant test
WT-2734 Improve documentation of eviction behavior
WT-2737 Scrub dirty pages rather than evicting them
WT-2738 Remove the ability to change the default checkpoint name
WT-2739 pluggable file systems documentation cleanups
WT-2743 Thread count statistics always report 0
WT-2744 partial line even with line buffering set
WT-2746 track checkpoint I/O separately from eviction I/O
WT-2751 column-store statistics incorrectly calculates the number of entries
WT-2752 Fixes to zipfian wtperf workload config
WT-2755 flexelint configuration treats size_t as 4B type
WT-2756 Upgrade the autoconf archive package to check for swig 3.0
WT-2757 Column tables behave differently when column names are provided
WT-2759 Releasing the hot-backup lock doesn't require the schema lock.
WT-2762 wtstats tool fails if checkpoint runs
WT-2763 Unit test test_intpack failing on OSX
WT-2764 Optimize checkpoints to reduce throughput disruption
WT-2765 wt dump: indices need to be shown in the dump output
WT-2766 Don't count eviction of lookaside file pages for the purpose of checking stuck cache
WT-2767 test suite needs way to run an individual scenario
WT-2769 Update documentation to reflect correct limits of memory_page_max
WT-2770 Add statistics tracking schema operations
WT-2772 Investigate log performance testing weirdness
WT-2773 search_near in indexes does not find exact matches
WT-2774 minor cleanups/improvements
WT-2778 Python test suite: make scenario initialization consistent
WT-2779 Raw compression created unexpectedly large pages on disk
WT-2781 Enhance bulk cursor option with an option to return immediately on contention
WT-2782 Missing a fs_directory_list_free in ex_file_system.c
WT-2783 wtperf multi-btree.wtperf dumps core on Mac
WT-2785 Scrub dirty pages rather than evicting them: single-page reconciliation
WT-2787 Include src/include/wiredtiger_ext.h is problematic
WT-2788 Java: freed memory overwrite during handle close can cause JNI crash
WT-2791 Enhance OS X Evergreen unit test
WT-2793 wtperf config improvements
WT-2795 Update documentation around read-only configuration
WT-2796 Memory leak in reconciliation uncovered by stress testing
WT-2800 Illegal file format in test/format on PPC
WT-2801 Crash vulnerability from eviction of metadata during checkpoint
WT-2803 Add verbose functionality to WT Evergreen tests
WT-2804 Don't read values in a tree without a snapshot
WT-2805 Infinite recursion if error streams fail
WT-2806 wtperf allocation size off-by-one
WT-2807 Switch Jenkins performance tests to tcmalloc
WT-2811 Reconciliation asserts that transaction time has gone backwards
WT-2812 Error when reconfiguring cache targets
WT-2813 small cache usage stuck even with large cache
WT-2814 Enhance wtperf to support single-op truncate mode
WT-2816 Improve WiredTiger eviction performance
WT-2817 Investigate performance regression in develop, add workload to wtperf/runners
WT-2818 The page visibility check when queuing pages for eviction is overly restrictive
WT-2820 add gcc warn_unused_result attribute
WT-2822 panic mutex and other functions that cannot fail
WT-2823 support file handles without a truncate method
WT-2824 wtperf displays connection and table create configurations twice
WT-2826 clang38 false positive on uninitialized variable.
WT-2827 checkpoint log_size configuration improvements
WT-2828 Make long wtperf tests reflect mongoDB usage
WT-2829 Switch automated testing to use enable-strict configure option
WT-2832 Python test uses hard-coded temporary directory
WT-2834 Join cursor: discrepancy with bloom filters
WT-2835 WT_CONNECTION.leak-memory can skip memory map and cache cleanup
WT-2838 Don't free session handles on close if leak memory is configured
WT-2839 lint: Ignoring return value of function
WT-2840 clang analysis: garbage values
WT-2841 Jenkins Valgrind runner is reporting errors in test wt2719_reconfig
WT-2847 Merge fair locks into read/write locks.
WT-2850 clang 4.1 attribute warnings when building
WT-2853 Multi threaded reader writer example shows temporary slowdown or lockup
WT-2857 POSIX ftruncate calls should be #ifdef'd HAVE_FTRUNCATE
WT-2862 Fix lint error in test case for forced eviction with multiple cursors
WT-2866 Eviction server algorithm tuning
WT-2867 Review and fix barrier usage in __lsm_tree_close
WT-2868 Add sample_interval to checkpoint-stress wtperf config
WT-2869 Performance regression on secondaries
WT-2870 Rename wtperf checkpoint schema jobs
WT-2871 __wt_verbose has the wrong GCC format attributes
WT-2872 Recent stuck cache test/stress failures.
WT-2873 Refactor CRC32 code
WT-2875 Test test_wt2853_perf can run too long under valgrind
WT-2876 Extend wtperf to support a log like table
WT-2878 Verbose changes affected performance
WT-2881 Add -Wpedantic to clang compiler warning flags
WT-2883 wiredtiger_open with verbose=handleops recursive loop
WT-2885 __wt_checkpoint_signal lint
WT-2886 Decide how in-memory configuration and eviction_dirty_target interact
WT-2888 Switch functions to return void where possible
WT-2892 hot backup can race with block truncate
WT-2896 Coverity #1362535: resource leak
WT-2897 Checkpoints can become corrupted on failure
WT-2901 Add option to disable checkpoint dirty stepdown phase
WT-1162 Add latency to Jenkins wtperf tests and plots
SERVER-25843 Coverity analysis defect 99856: Redundant test
SERVER-25845 Coverity analysis defect 99859: Explicit null dereferenced
SERVER-25846 Coverity analysis defect 99861: Dereference after null check

GridFS

SERVER-25451 gridfs.js should shard sharded_files_id_n.fs.chunks with key {files_id: 1, n: 1} and unique=true

Operations

SERVER-22491 replace db.serverStatus().uptimeEstimate test in dbadmin.js with C++ test
SERVER-25080 MongoDB 3.2.8 ignores ulimit in systemd distributions
SERVER-25478 Use wtimeout in sh.setBalancerState

Build and Packaging

SERVER-12048 Calling "service mongod start" with mongod running prevents "service mongod stop" from working
SERVER-19986 clang-format.py lint fails in mci if files were deleted
SERVER-24885 The systemd MaxTasks feature can prevent mongod from accepting new connections
SERVER-25594 update to latest curator build for repo publishing
SERVER-25786 Remove buildscripts/update-vendor-wiredtier
SERVER-25793 update curator for s3 improvements
SERVER-25815 Remove Ubuntu 14.10 build from v3.2 and v3.0 branch
SERVER-25908 Simplify repo.mongodb.(com|org) repository layout.

Tools

TOOLS-1035 Don't create intents for system.profile.metadata.json files
TOOLS-1140 tools do not respect readPreference=secondary when connecting to a mongos
TOOLS-1223 Mongodump SSL and GSSAPI authentication
TOOLS-1268 No numeric version in --version output
TOOLS-1277 Backport to v3.2
TOOLS-1365 Issue only one ApplyOps cmd per oplog entry

Internals

SERVER-22150 multiversion download script should use new feeds rather than dl.mongodb.org
SERVER-22368 Parameterize branch in etc/perf.yml
SERVER-22496 Add aggregation performance task
SERVER-23819 buildlogger client requests should use basic auth instead of digest auth
SERVER-24719 Run the Validate hook on the 3.2 branch
SERVER-25324 Expose a function in the shell to compare BSON at a byte level
SERVER-25348 Parameterize branch in etc/system-perf.yml
SERVER-25358 resmoke does not terminate mongod cleanly on Windows
SERVER-25391 Update v3.2 and master builders to use the vendored SCons 2.5.0
SERVER-25416 killop_own_ops.js should use failpoints instead of long running $where
SERVER-25465 Mongos crashing due to segmentation error.
SERVER-25578 Update parameter name of reports directory passed in to post run analysis scripts (sys-perf & perf projects)
SERVER-25580 New baseline for mongo-perf Q3 2016
SERVER-25587 blacklist findAndModify_update_and_grow
SERVER-25627 Remove the concurrency_simultaneous suite from v3.2
SERVER-25672 Update compile task distro for mongo-perf-3.2, sys-perf-3.2, and mongo-perf-3.0
SERVER-25711 Replace occurance of 'sslspecial' with 'sslSpecial' in v3.2 evergreen.yml
SERVER-25784 sys-perf-3.2 project should include "platform" expansion
SERVER-25947 jsCore_v33_validate should set multiversion_platform_arch
SERVER-26041 Use bsonBinaryEqual in checkDBHashesForReplSet
TOOLS-1371 mongorestore assumes admin.system.version only contains authSchema document

3.2.9 Changelog

Security

SERVER-17856 users on mongods should always be able to run currentOp and killOp on their own operations

Sharding

SERVER-23958 DBConfig::_loadIfNeeded will not do a reload even in cases where a force reload is needed
SERVER-24810 Swap movePrimary command for ShardingTest::ensurePrimaryShard
SERVER-24842 ShardingStateRecovery::recover cleanup should not wait for replication
SERVER-24892 "Creating first chunks failed: Data inconsistency detected amongst config servers" when using 3.2.3+ without replica set config servers
SERVER-25029 Segmentation fault in mongos when config servers not available
SERVER-25052 csrs_upgrade_set_shard_version.js test is racy
SERVER-25254 Only advance config server optime in response to messages from cluster members
SERVER-25258 Improve parsing of killOp opID in mongos

Replication

SERVER-22136 Attach term metadata to UpdatePosition command
SERVER-23795 master/slave looks at on-disk size on a resync
SERVER-24630 Mongos erroneously advances config optime for writes that fail write concern
SERVER-24933 Clean shutdown of secondaries should occur in between oplog batches, not during
SERVER-25353 Clean shutdown should leave secondaries without the batch-in-progress flag

Query

SERVER-24693 group7.js should deterministically check for yields
SERVER-24761 Queries being planned with the subplanner can ignore when the PlanExecutor is killed

Storage

SERVER-16910 sorth.js makes invalid assumption about order of results

WiredTiger

SERVER-23659 Provide useful message when wiredTigerJournalCompressor is changed
SERVER-24334 Support conditional files in WiredTiger builds
WT-2711 Change statistics log configuration options
WT-2730 cursor next/prev can return the wrong key/value pair when crossing a page boundary
WT-2760 Fix a bug in backup related to directory sync. Change the filesystem API to make durable the default
WT-2798 Crash vulnerability with nojournal after create during checkpoint
WT-2802 Transaction commit causes heap-use-after free

Operations

SERVER-20239 Built-in sampling heap profiler
SERVER-22347 Mongo shell replica set connections must use legacy readMode
SERVER-22383 mongo shell should permit mongodb:// URI without database name
SERVER-23069 Improve tcmalloc freelist statistics
SERVER-23145 Shell sharding helpers should give feedback on success
SERVER-23409 Add tunability to tcmalloc serverStatus detail
SERVER-23830 On RHEL7/Centos7 mongod can't stop if pid location in conf differs from the init.d script
SERVER-24335 Shell sharding helpers should use wtimeout and respond appropriately

Build and Packaging

SERVER-7285 Support systemd in future compatible distributions
SERVER-19986 clang-format.py lint fails in mci if files were deleted
SERVER-21820 Export "endian" option from SConstruct
SERVER-21830 Import the edit "endian" option in SConscript
SERVER-24849 Vendor SCons

Tools

TOOLS-1336 Make --version spit out a bit more information.

Internals

SERVER-22860 Port resmoke.py's ValidateCollections hook to JavaScript
SERVER-23226 Port resmoke.py's CheckReplDBHash hook to javascript
SERVER-23306 Check collection attributes during (js) testing
SERVER-23661 $sample takes disproportionately long time on newly created collection
SERVER-23902 Failing to create a thread should fail with a useful error message
SERVER-24073 Update system perf, longevity, and distributed correctness projects to use dedicated work directory
SERVER-24346 Run jstestfuzz on rhel55-test instead of rhel55
SERVER-24593 virtualenv used for ese test should not use system-site-package
SERVER-24716 Remove the CheckReplDBHashDeprecated hook
SERVER-24758 Move initial_sync suite of tests into its own tasks in sys-perf project
SERVER-24820 move push tasks to use relevant ec2 distro rather than rhel55
SERVER-24919 Perf.yml should consistently call pip install in venv
SERVER-24925 add url_raw field to resmoke
SERVER-24946 Evergreen.yml test for storageEngineCacheSizeGB cannot use [[ ]]
SERVER-24990 Update command_line_parsing.js to ignore cacheSizeGB in configuration comparison
SERVER-25006 Connection Pool ASIO must indicate use separately from non-error
SERVER-25074 make performance analysis run with log analysis
SERVER-25146 JS replset dbhash hook fails when checking nindexes with a collection containing a background index
SERVER-25169 for all branches earlier than master, change rhel55 compile distro to rhel55-large
SERVER-25193 Update system_perf.yml to simplify patch builds
SERVER-25198 Increase scons stack size for eslint
SERVER-25199 performance project: enable time logic for log analysis
SERVER-25212 work around stale dbhash value on v3.2
SERVER-25259 Drop temporary databases in dbhash testing hook
SERVER-25273 Concurrency suite dbHash check should call checkDBHashesFsyncLocked
SERVER-25274 Make checkDBHashesFsyncLocked from jstests/hooks/check_repl_dbhash.js, an internal function
SERVER-25302 turn on YCSB throughput analysis for YCSB tasks in sys-perf
SERVER-25330 Update system_perf.yml to use different test_control file for replica and sharded ycsb
TOOLS-1079 write_concern_mongos jstests are flaky
TOOLS-1176 --dumpDbUsersAndRoles without users creates broken dumps

3.2.8 Changelog

Security

SERVER-24432 Update clusterMonitor role support reading from local.sources

Sharding

SERVER-23780 Remove multi_host_query_test
SERVER-23930 Race condition between addShard and ShardRegistry reload
SERVER-24031 Prevent cleanupOrphan from deleting migrating chunk data before commit

Replication

SERVER-23643 gate state transitions in replsetprio1.js
SERVER-23853 replsetprio1.js should wait for replication before stopping highest priority node
SERVER-24424 initial_sync2.js awaitReplication fails when slave2 becomes primary after step 11
SERVER-24639 blacklist create_index_background.js in backup_restore.js
SERVER-24690 wait for replication before shutting down in backup_restore.js
SERVER-24700 fix erroneous curop assumption in stepdown_kill_other_ops.js
SERVER-24773 Secondary block on initialSync when the next oplog needed was removed on primary

Query

SERVER-24441 Change geo_full.js to not create points near the poles

Write Operations

SERVER-22422 Test that write commands support writeConcern

JavaScript

SERVER-24369 Surpress ssl_fips.js test assertation on Ubuntu 16.04

Storage

SERVER-22723 Invariant failure using copydb
SERVER-23761 Prevent users from downgrading 3.4=>3.2 if any collection has an index with a non-default collation
SERVER-24194 Queued table drops within the WiredTiger KVEngine can compete with each other

WiredTiger

SERVER-24428 WiredTiger changes for MongoDB 3.2.8
SERVER-24580 Improve performance when WiredTiger cache is full
WT-2646 Split the lock_wait flag into two, adding a checkpoint_wait flag
WT-2672 Handle system calls that don't set errno
WT-2696 Race condition on unclean shutdown may miss log records with large updates
WT-2702 Under high thread load, WiredTiger exceeds cache size
WT-2706 Race condition on log file switch can cause missing log records
WT-2708 split child-update race with reconciliation/eviction
WT-2729 Focus eviction walks in largest trees

MMAP

SERVER-24301 Increase max mmapv1 journal size in debug builds to 1GB

Operations

SERVER-23126 Mongo shell segfaults

Build and Packaging

SERVER-7285 Support systemd in future compatible distributions
SERVER-18329 Add Debian 8 (Jessie) builds and associated package repository
SERVER-20183 make mongo-tools a module in the evergreen configuration
SERVER-21977 Make evergreen patch builds have unique version/githash
SERVER-24555 compilation db scons tool is not compatible with scons 2.4.x
SERVER-24588 conf.Finish() is missing in src/third_party/wiredtiger/SConscript

Tools

TOOLS-588 Mongostat with discover can find the same node twice in a sharded cluster
TOOLS-601 mongostat --discover does not alias localhost to the target hostname
TOOLS-690 mongoimport returns exit code 0 even when error prevents records from being inserted
TOOLS-715 Wrong error message while using mongoimport
TOOLS-1034 add a "--assertExists" option to mongoexport
TOOLS-1274 Use v3.2.7 for qa tests
TOOLS-1299 mongoimport types jstest fails on functions

Internals

SERVER-22204 Tests should lower WT cache size
SERVER-23686 auto2.js - fatal assertion 28735 ShutdownInProgress
SERVER-23741 Replace runMongoProgram(<mongo tool>, ...) calls with MongoRunner.runMongoTool(<mongo tool>, {...})
SERVER-23742 Fix or remove version checking in MongoRunner.runMongoTool()
SERVER-24201 jsTest.authenticateNodes doesn't handle temp network errors
SERVER-24211 Addition of oom killed processes to the system logs tab
SERVER-24224 Print -ulimit at the beginning of system logs
SERVER-24243 Turn on manifest in system_perf.yml, etc.
SERVER-24316 Extend lock manager unit-testing around lock mode conversion
SERVER-24409 Turn on dashboard data collection for 3.2 branch
SERVER-24456 Tests should lower RocksDB cache size
SERVER-24582 MongoDB secondary node crashes randomly when primary node is killed/dies
SERVER-24669 system_perf.yml: Use configuration files for mongodb_setup
SERVER-24711 ASIO connections that have already timed out before setup should not error
SERVER-24919 Perf.yml should consistently call pip install in venv
TOOLS-879 UTF-8 bom is not ignored in mongoimport
TOOLS-1082 mongorestore gives verbose error when dump directory doesn't exist
TOOLS-1116 fix broken qa-tests-unstable
TOOLS-1180 Mongostat shouldn't show 1g for netIn/netOut
TOOLS-1269 sharding/replication test cleanup failures
TOOLS-1300 vet task doesn't actually fail if vet fails
TOOLS-1304 vet task running on unnecessary variants

3.2.7 Changelog

Security

SERVER-23570 Make SecureAllocator a real allocator

Sharding

SERVER-23428 If mongos tells a shard about a CSRS config server string (via SSV), the shard should switch to CSRS mode
SERVER-23878 Exclude remove3.js from sharding_legacy_multiversion
SERVER-24084 Gracefully handle errors inside ReplicationCoordinatorExternalStateImpl::recoverShardingState
SERVER-24258 Remove assertion that shards haven't switched to CSRS mode from csrs_upgrade_set_shard_version.js test
SERVER-24298 add ensurePrimaryShard to csrs_upgrade_mongod_using_movechunk.js

Replication

SERVER-23089 ensure first slave sync is interrupted, for repl5.js
SERVER-23919 Database/Collection drop during initial sync can cause collmod to fail initial sync
SERVER-24004 move serverStatus() into try...catch in reconfig_without_increased_queues.js
SERVER-24280 Starting from 3.2.5 if bind_ip is set to 0.0.0.0 it will end up in the replica set config if rs.initiate() is executed with no arguments

Query

SERVER-23585 CanonicalQuery doesn't outlive QuerySolutions in QueryPlannerTest fixture

Storage

SERVER-23116 Add versioning scheme to the KVCatalog to handle upgrade/downgrade with new 3.4 features
SERVER-23117 Remove path-level multikey information from KVCatalog when downgrading to 3.2
SERVER-23960 Improve log message on 3.2 when downgrading from 3.3+ after creating new WT index
SERVER-24313 Not all callers of KVCatalog::FeatureTracker::getInfo() acquire resource lock when necessary

WiredTiger

SERVER-23982 WiredTiger now needs stdbool.h
SERVER-24306 40-second journaling stall from "log files prepared" to checkpoint

Operations

SERVER-18783 Upgrade MongoDB past PCRE 8.37
SERVER-24054 JS segmentation fault on load of certain nans

Build and Packaging

SERVER-23043 Community and Enterprise builds on Ubuntu 16.04 LTS (Xenial Xerus)
SERVER-23557 save and publish debug symbols for missing platforms when possible.
SERVER-23697 Release shell as separate download
SERVER-24117 Mongo binaries ELF stack has become executable
SERVER-24185 Enable read-only relocations
SERVER-24240 Ubuntu 16.04 on the v3.2 branch needs to compile with the v2 toolchain

Tools

TOOLS-1166 Mongotop cannot connect to secondary in 3.2

Internals

SERVER-22198 resmoke.py should obey order of tests specified via command line
SERVER-22914 mongos_no_replica_set_refresh.js must always obtain config from the primary node
SERVER-23125 Ownership semantics of MessageHandlers are broken
SERVER-23491 set_majority_read_and_write_concerns.js doesn't work for updates
SERVER-23492 Add explicit execution mode serial to concurrency test suite
SERVER-23524 Compare version string in compile_expansions.yml to version string from MongoDB binary
SERVER-23867 system_perf.yml refactoring: clean up the script to deploy MongoDB perf test clusters
SERVER-23964 Clone all DP repos directly from Evergreen using modules
SERVER-23989 Disable the concurrency and fuzzer suites on the ephemeralForTest variant
SERVER-24022 Fix the test file path for DSI tests
SERVER-24050 Update perf.yml to create src directory for analysis phase.
SERVER-24058 Connection pool asio doesn't honor setup timeouts
SERVER-24062 Native CA certificates don't work with homebrew's openssl
SERVER-24116 reverse indexes do not handle entries with leading null bytes
SERVER-24228 Change ycsb to YCSB in sytem_perf.yml and longevity.yml modules
TOOLS-1144 Create stable and unstable branches
TOOLS-1182 mongooplog should report the number of ops applied

3.2.6 Changelog

Security

SERVER-23184 Reduce listCollections privileges
SERVER-23394 AuthorizationManager may deadlock while building role graph if profiling is enabled
SERVER-23591 Avoid using rawMongoProgramOutput() in js_protection.js and js_protection_roundtrip.js
SERVER-23838 Remove startup warnings for no access control and bind_ip

Sharding

SERVER-23544 Race condition can allow using a SyncClusterConnection to talk to config servers even after swapping CatalogManager to CSRS mode
SERVER-23586 Increase timeouts in csrs upgrade tests to reduce flakiness
SERVER-23589 Run csrs upgrade tests serially to avoid overloading the test machine
SERVER-23704 shard_keycount.js does not invoke anonymous function
SERVER-23784 Don't use 30 second network timeout on commands sent to shards through the ShardRegistry
SERVER-23796 Incorrect warning when using mongos with keyfile: Access control is not enabled for the database
SERVER-23858 server22767.js in noPassthrough suite is failing due to checking for wrong error code

Replication

SERVER-23775 oplog default size must be differently calculated for inMemory storage engine
SERVER-23828 replsets_priority1.js needs to wait for repl after elections

Query

SERVER-7005 Documents containing keys with embedded null characters can be created
SERVER-23807 Updates should always throw WriteConflictException on unindexing

JavaScript

SERVER-23571 Make debug builds of SpiderMonkey distinct from --dbg in scons

Storage

SERVER-18844 Reacquire the snapshot after commit/abort
SERVER-21414 Add information to server status to tell if data is persisted to disk
SERVER-22970 Compound background Index contains mismatched index keys and documents
SERVER-23766 Remove beta startup warning for inMemory storage engine

WiredTiger

SERVER-23504 Coverity analysis defect 98177: Resource leak
SERVER-23526 Replication relies on storage engines reporting a non-zero size for correctness
SERVER-23588 mongod with WiredTiger won't start on Windows when built with --dbg=on --opt=off
SERVER-23682 WiredTiger changes for MongoDB 3.2.6

Operations

SERVER-22043 count helper doesn't apply read preference
SERVER-23044 Fall back to system CA certs in the shell if CA file isn't provided

Build and Packaging

SERVER-23719 Control build verbosity via a VERBOSE variable rather than the --mute flag
SERVER-23804 Reduce num_jobs_available on ppc64le rhel builder

Internals

SERVER-23217 Hang in network_interface_asio_test
SERVER-23474 set a more reasonable --dialTimeout in runMongoTool
SERVER-23523 shell scripts in evergreen.yml should always exit on error
SERVER-23566 Update distros (AMI) for Evergreen performance projects
SERVER-23642 system_perf.yml refactoring
SERVER-23652 Add automatic generation of timeseries.py to system_perf.yml
SERVER-23655 Invalidate CollectionInfoCache when starting an index build
SERVER-23762 ValidateAdaptor::validate() should return non-OK status if it fails.
SERVER-23788 Disable sharding_csrs_upgrade on ppc64le

3.2.5 Changelog

Security

SERVER-22708 Add exposure startup warnings

Sharding

SERVER-17468 actionlog should not log every single balancer round
SERVER-21994 cleanup_orphaned_basic.js
SERVER-22081 Enable CSRS continuous stepdown workload in evergreen
SERVER-22151 Blacklist lagged_config_secondary.js and similar tests from the sharding_csrs_continuous_config_stepdown_WT suite
SERVER-22511 Blacklist sharding_rs1.js from CSRS continuous config primary step down suite because of config db writes without retry
SERVER-22725 prevent concurrent exitCleanly execution in mongos
SERVER-22767 mongos segfault when invoking .explain() on certain operations.
SERVER-22794 Add retry to continuous config primary step-down thread when primary steps down and closes all connections
SERVER-22918 SyncClusterConnection::_connect can leak DBClientConnections on failure
SERVER-22937 Retry catalog operations whenever possible
SERVER-23030 Increase number of iterations of aggregations performed in csrs_upgrade_during_agg.js
SERVER-23036 ShardRegistry accesses _configServerCS without locking mutex
SERVER-23283 RangeDeleter does not log cursor ids correctly in deleteNow()

Replication

SERVER-21863 map/reduce permits documents larger than 16MB to be inserted
SERVER-21975 test_command.js failed in replset
SERVER-22130 Reset applier lastAppliedOptime after rollback
SERVER-22504 Do not blindly add self to heartbeat member data array in the TopologyCoordinator
SERVER-22845 Do not busy loop on bgsync errors
SERVER-22873 disallow_adding_initialized_node2.js should handle heartbeat message set by liveness timeout
SERVER-22929 remove rollback4.js
SERVER-22933 Update last opTime to latest after applyOps no-op
SERVER-22934 add applyOps command opTime testing
SERVER-23003 Recovery problems after network partition.
SERVER-23086 avoid rollbacks in replsetprio1.js
SERVER-23274 Aggregate with out, then stepdown, out collection dropped.

Query

SERVER-18468 Include query planning details on query log lines
SERVER-19936 Performance pass on unicode-aware text processing logic (text index v3)
SERVER-22945 Rewrite update_yield1.js to not depend heavily on timing

Write Operations

SERVER-22947 fix pessimizing move in batch_executor

Aggregation

SERVER-23097 Segfault on drop of source collection during MapReduce

Storage

SERVER-21681 In-memory storage engine not reporting index size

WiredTiger

SERVER-22117 WiredTiger journal files not deleted/ Way too many journal files
SERVER-22791 Invariant failure when creating WT collection with crafted configString
SERVER-22831 Low query rate with heavy cache pressure and an idle collection
SERVER-22964 IX GlobalLock being held while wating for wt cache eviction

Operations

SERVER-22493 MongoRunner uses non-thread-safe function to find path to mongod
SERVER-23109 Typo in src/mongo/shell/collection.js

Build and Packaging

SERVER-17563 GPerfTools does not build on PPC64 (Power8) platform
SERVER-21834 scons detection for ppc64le needs to change
SERVER-22090 ssl_cert_password.js must be disabled on ppc64
SERVER-22110 ppc64le builds should detect target arch as ppc64le, not ppc64
SERVER-22111 packager.py needs support for ppc64le
SERVER-22197 Only select tcmalloc as the default allocator on x86 platforms
SERVER-22313 ppc64le: go compiled programs should statically link with libgo
SERVER-22986 Linking against SSL3 OpenSSL symbols fails on Archlinux
SERVER-23088 boost 1.56 libstdc++ version detection is broken when compiling with clang
SERVER-23254 eslint.py returns 1 on successful patch lint instead of 0

Internals

SERVER-21529 Sign of log severity values may get lost, depending on compiler
SERVER-21836 Generate spidermonkey config for ppc64
SERVER-21843 secure_allocator_test fails on ppc64
SERVER-21844 processinfo_test fails on ppc64
SERVER-21845 ppc64 debug build fails
SERVER-21850 mmapv1 fails to start on ppc64
SERVER-22019 Checksum::gen should use signed char
SERVER-22067 artifacts.tgz should contain stripped tests before uploading
SERVER-22338 Integrate JavaScript linting into scons "lint" target
SERVER-22339 Integrate JavaScript formatting into scons "lint" target
SERVER-22391 Mongos 3.2.1 crashes after this error, failure _checkedOutPool.empty() src/mongo/executor/connection_pool.cpp 570
SERVER-22468 Format JS code with approved style in jstests/
SERVER-22469 Format JS code with approved style in src/mongo/shell & src/mongo/scripting
SERVER-22470 Format JS code with approved style in Enterprise repo
SERVER-22842 Support JavaScript style for clang-format
SERVER-22856 Cleanup pkill logic in etc/evergreen.yml
SERVER-22864 Fix minor javascript errors found by eslint in v3.2 branch
SERVER-22871 splitChunk needs to check for a failed index scan
SERVER-22894 Don't use curl when downloading jstestfuzz
SERVER-22950 mongos shutdown is non-deterministic when the shutdown command is executed
SERVER-22967 race in destruction of user cache invalidation thread can cause use-after-free in MongoS shutdown
SERVER-22968 Add JS support in .clang-format in Enterprise repo
SERVER-23006 hang_analyzer should use GDB in the mongodb tool chain
SERVER-23007 hang_analyzer support on Solaris
SERVER-23016 Update .eslintrc.yml for newer versions of ESLint
SERVER-23018 Clean up JS linting errors in JS tests
SERVER-23019 Add .eslintrc.yml file to enterprise repo
SERVER-23020 Disable clang-formatting for template string in jstests/noPassthrough/update_yield1.js
SERVER-23023 Disable clang-format for function values in jstests/tool/csvexport1.js
SERVER-23066 killOp should accept negative opid
SERVER-23067 Final round of JS linting and formatting
SERVER-23190 Add build variant for rhel 7.1 on POWER to 3.2 branch
SERVER-23288 Update 3.2 branch mongo-perf to check against 3.0.9 baseline
TOOLS-1058 goconvey fails with gccgo
TOOLS-1064 mongoimport alwasy returns 0 imported documents when compiled with gccgo

3.2.4 Changelog

Security

SERVER-22237 Built-in role that allows full control over data, but not security or topology

Sharding

SERVER-21758 Test behavior when 'nearest' config server has severe replication lag
SERVER-22184 Operations that fail against a secondary in a sharded cluster may have their error message swallowed
SERVER-22239 wait for replication after duplicate key error from insert operations
SERVER-22297 Add targeted jstests for csrs upgrade during common operations
SERVER-22299 Add a jstest that runs moveChunk directly against a mongod that is not yet sharding aware, providing an SCCC connection string for the config servers
SERVER-22524 Only interrupt mapReduce on catalog manager swap if it is outputting to a sharded collection
SERVER-22543 multi_write_target.js should not rely on the order of shard ids
SERVER-22547 add support for config server ReplSetTest options to ShardingTest
SERVER-22553 mongos_shard_failure_tolerance.js should not rely on order of shard ids
SERVER-22569 Initialization of eooElement static local variable isn't thread safe with MSVC 2013
SERVER-22584 Make sure IncompatibleCatalogManager errors fully propagate wherever thrown
SERVER-22585 CatalogManagerLegacy needs retry logic on config server reads
SERVER-22590 applyChunkOpsDeprecated retries and throws an error on preCondition no longer matching because the original write worked
SERVER-22592 Remove duplicate check for 'enabled' from ShardingState::_refreshMetadata
SERVER-22627 ShardRegistry should mark hosts which failed due to OperationTimeout as faulty
SERVER-22783 CSRS catalog manager writes should retry on WriteConcernFailed error
SERVER-22789 CSRS catalog manager writes should use writeConcern majority
SERVER-22797 Calls to ShardRegistry::reload needs to be serialized
SERVER-22822 Prevent mongod step down during moveChunk in balance_repl.js and sharding_rs2.js
SERVER-22849 Shard registry should update config last visible opTime even on command errors
SERVER-22859 SCCC config server reads need to specify slaveOk
SERVER-22862 Deadlock between ReplicaSetMonitor updating the connection string for a shard and reloading the ShardRegistry
SERVER-22863 sharding read_after_optime.js test timeout should exceed ping interval
SERVER-22878 rewrite checks in csrs_upgrade_mongod_using_movechunk.js after new assert.contains implementation
SERVER-22880 add requires_persistence tag to csrs_upgrade_mongod_using_movechunk.js

Replication

SERVER-21698 Add error-checking for isMaster() return values in jstests/libs/election_timing_test.js
SERVER-21972 improve naming of ReplicationCoordinator and TopologyCoordinator unittests
SERVER-22269 ReadConcern: majority does not reflect journaled state on PRIMARY
SERVER-22276 implement "j" flag in write concern apply to secondary as well as primary
SERVER-22277 test "j" flag in write concern apply to secondary as well as primary
SERVER-22287 Merging replica sets with replication protocol version 1 may result in two primaries
SERVER-22426 priority_takeover_one_node_higher_priority.js should call ReplSetTest.awaitReplication() before stepping primary down
SERVER-22428 Log read-after-optime timeouts
SERVER-22495 Running without journaling doesn't set all OpTimes (lastDurableOpTime)
SERVER-22521 default timeout for ReplSetTest.initiate() from 60 seconds to 120 seconds should be longer to accommodate slow hosts
SERVER-22595 Reactivate rollback4.js
SERVER-22598 ensure all default write concern options use sync unset
SERVER-22617 SnapshotThread hits invariant due to reading oplog entries out of order
SERVER-22683 enableMajorityReadConcern option cannot be disabled if specified
SERVER-22728 if journaling is disabled, update durableOpTime when appliedOpTime updates
SERVER-22731 give correct error message when running initiate on a non-replset mongod

Query

SERVER-22344 certain cursor options can trigger an invariant failure in GetMoreCmd
SERVER-22425 execStats in system.profile reports winning plan and rejected plans
SERVER-22532 $type with invalid integer type code fails with unhelpful message and leaks memory
SERVER-22626 fix $type unit tests on experimental decimal build
SERVER-22793 Unbounded memory usage by long-running query using projection

Aggregation

SERVER-22537 segfault running aggregation query

JavaScript

SERVER-9131 Ensure documents with code elements do not conflict with internal JS functions
SERVER-22587 Upgrade to spidermonkey 38.6.1esr

Storage

SERVER-21419 The ephemeralForTest storage engine should support the fsync command
SERVER-21924 Add log message for inMemory and ephemeralForTest storage engine
SERVER-22534 Change ephemeral storage to update durable OpTime

WiredTiger

SERVER-22437 Coverity analysis defect 77704: Redundant test
SERVER-22438 Coverity analysis defect 77705: Dereference before null check
SERVER-22570 WiredTiger changes for MongoDB 3.2.4
SERVER-22691 Incorrect initialization order in WiredTigerKVEngine
SERVER-22898 High fragmentation on WiredTiger databases under write workloads

Operations

SERVER-22440 Shell incorrectly issues first query in legacy read mode

Build and Packaging

SERVER-20930 RPM package overwrites /etc/sysconfig/mongod
SERVER-22003 inMemory windows build variant should be run less often

Tools

TOOLS-1043 mongorestore --noIndexRestore inhibits empty collection creation

Internals

SERVER-14501 De-inline ReplSettings class
SERVER-21881 dbhash checking in FSM framework doesn't handle TTL deletes
SERVER-22101 Generate minidumps when the hang analyzer is triggered on Windows
SERVER-22231 Add additional test suites to run resmoke.py validation hook
SERVER-22292 Use more reliable mechanism in the mongo shell to wait for process to terminate on windows
SERVER-22314 Fix the detection of Python processes in the hang analyzer script
SERVER-22317 Make checkReplDBHash hook work with dbhash quirks on 3.2
SERVER-22332 Move the repl_write_threads_start_param.js JS test out of the jsCore suite
SERVER-22340 Fix JS lint errors in src/mongo/shell & src/mongo/scripting with ESLint --fix
SERVER-22341 Fix JS lint errors in jstests/ with ESLint --fix
SERVER-22342 Fix JS lint errors in the enterprise repo with ESLint --fix
SERVER-22479 upgrade_downgrade_mongod.js incorrectly checks if the TTL monitor has run
SERVER-22513 Don't redirect jstestfuzz self-test's stderr.
SERVER-22539 Add an ESLint configuration file
SERVER-22546 Enable more ESLint rules
SERVER-22559 Add --retry option to curl command in evergreen.yml
SERVER-22597 Fix minor javascript errors found by eslint
SERVER-22636 Disable jstestfuzz's self-tests on Evergreen
SERVER-22641 Disable clang-format for template strings in JS code
SERVER-22732 assert.contains() has unreachable code after return
SERVER-22746 don't run CheckReplDBHash on 3.2 on the config database
SERVER-22776 CheckReplDBHash hook should dump the oplog upon failure
SERVER-22806 CheckReplDBHash hook should fsync before doing await_repl
SERVER-22846 Add applyOps command to readConcern passthrough
SERVER-22850 Clean up additional javascript issues found by eslint

3.2.3 Changelog

Sharding

SERVER-18671 SecondaryPreferred can end up using unversioned connections
SERVER-20030 ForwardingCatalogManager::shutdown races with _replaceCatalogManager
SERVER-20036 Add interruption points to operations that hold distributed locks for a long time
SERVER-20037 Transfer responsibility for the release of distributed locks to new catalog manager
SERVER-20290 Recipient shard for migration can continue on retrieving data even after donor shard aborts
SERVER-20418 Make sure mongod and mongos always start the distlock pinger when running in SCCC mode
SERVER-20422 setShardVersion configdb string mismatch during config rs upgrade
SERVER-20580 Failure in csrs_upgrade_during_migrate.js
SERVER-20694 user-initiated finds against the config servers can fail with "need to swap catalog manager" error
SERVER-21382 Sharding migration transfers all document deletions
SERVER-21789 mongos replica set monitor should choose primary based on (rs config version, electionId)
SERVER-21896 Chunk metadata will not get refreshed after shard is removed
SERVER-21906 Race in ShardRegistry::reload and config.shard update can cause shard not found error
SERVER-21956 applyOps does not correctly propagate operation cancellation exceptions
SERVER-21994 cleanup_orphaned_basic.js
SERVER-21995 Queries against sharded collections fail after upgrade to CSRS due to caching of config server string in setShardVersion
SERVER-22010 min_optime_recovery.js failure in the sharding continuous config stepdown suite
SERVER-22016 Fatal assertion 28723 trying to rollback applyOps on a CSRS config server
SERVER-22027 AsyncResultMerger should not retry killed operations
SERVER-22079 Make sharding_rs1.js more compact
SERVER-22112 Circular call dependency between CatalogManager and CatalogCache
SERVER-22113 Remove unused sharding-specific getLocsInRange code in dbhelpers
SERVER-22114 Mongos can accumulate multiple copies of ChunkManager when a shard restarts
SERVER-22169 Deadlock during CatalogManager swap from SCCC -> CSRS
SERVER-22232 Increase stability of csrs_upgrade_during_migrate.js test
SERVER-22247 Parsing old config.collection documents fails because of missing 'lastmodEpoch' field
SERVER-22249 stats.js - Not starting chunk migration because another migration is already in progress
SERVER-22270 applyOps to config rs does not wait for majority
SERVER-22303 Wait longer for initial sync to finish in csrs_upgrade_during_migrate.js

Replication

SERVER-21583 ApplyOps background index creation may deadlock
SERVER-21678 fromMigrate flag never set for deletes in oplog
SERVER-21744 Clients may fail to discover new primaries when clock skew between nodes is greater than electionTimeout
SERVER-21958 Eliminate unused flags from Cloner methods
SERVER-21988 Rollback does not wait for applier to finish before starting
SERVER-22109 Invariant failure when running applyOps to create an index with a bad ns field
SERVER-22152 priority_takeover_two_nodes_equal_priority.js fails if default priority node gets elected at beginning of test
SERVER-22190 electionTime field not set in heartbeat response from primary under protocol version 1
SERVER-22335 Do not prepare getmore when un-needed in bgsync fetcher
SERVER-22362 election_timing.js waits for wrong node to become primary
SERVER-22420 priority_takeover_two_nodes_equal_priority.js fails if existing primary's step down period expires
SERVER-22456 The oplog find query timeout is too low

Query

SERVER-17011 Cursor can return objects out of order if updated during query ("legacy" readMode only)
SERVER-18115 The planner can add an unnecessary in-memory sort stage for .min()/.max() queries
SERVER-20083 Add log statement at default log level for when an index filter is set or cleared successfully
SERVER-21776 Move per-operation log lines for queries out of the QUERY log component
SERVER-21869 Avoid wrapping of spherical queries in geo_full.js
SERVER-22002 Do not retry findAndModify operations on MMAPv1
SERVER-22100 memory pressure from find/getMore buffer preallocation causes concurrency suite slowness on Windows DEBUG
SERVER-22448 Query planner does not filter 2dsphere Index Version 3 correctly

Write Operations

SERVER-11983 Update on document without _id, in capped collection without _id index, creates an _id field
SERVER-21647 $rename changes field ordering

Aggregation

SERVER-21887 $sample takes disproportionately long time on newly created collection
SERVER-22048 Index access stats should be recorded for $match & mapReduce

JavaScript

SERVER-21528 Clean up core/capped6.js

Storage

SERVER-21388 Invariant Failure in CappedRecordStoreV1::cappedTruncateAfter
SERVER-22011 Direct writes to the local database can cause deadlock involving the WiredTiger write throttle
SERVER-22058 'not all control paths return a value' warning in non-MMAP V1 implementations of '::writingPtr'
SERVER-22167 Failed to insert document larger than 256k
SERVER-22199 Collection drop command during checkpoint causes complete stall until end of checkpoint

WiredTiger

SERVER-21833 Compact does not release space to the system with WiredTiger
SERVER-21944 WiredTiger changes for 3.2.3
SERVER-22064 Coverity analysis defect 77699: Unchecked return value
SERVER-22279 SubplanStage fails to register its MultiPlanStage

MMAP

SERVER-21997 kill_cursors.js deadlocks
SERVER-22261 MMAPv1 LSNFile may be updated ahead of what is synced to data files

Operations

SERVER-20358 Usernames can contain NULL characters
SERVER-22007 List all commands crashes server
SERVER-22075 election_timing.js election timed out

Build and Packaging

SERVER-21905 Can't compile Mongo 3.2
SERVER-22042 If ssl libraries not present, configure fails with a misleading error about boost
SERVER-22350 Package generation failure doesn't fail compile tasks

Tools

TOOLS-1039 mongoexport chokes on data with quotes

Internals

SERVER-12108 setup_multiversion_mongodb.py script should support downloading windows binaries
SERVER-20409 Negative scaling with more than 10K connections
SERVER-21035 Delete the disabled fsm_all_sharded.js test runner
SERVER-21050 Add a failover workload to cause CSRS config server primary failovers
SERVER-21309 Remove Install step from jstestfuzz in evergreen
SERVER-21421 Update concurrency suite's ThreadManager constructor to provide default executionMode
SERVER-21499 Enable fsm_all_simultaneous.js (FSM parallel mode)
SERVER-21565 resmoke.py can not start replica sets with more than 7 nodes
SERVER-21597 Fix connPoolStats command to work with many TaskExecutor-NetworkInterface pairs
SERVER-21747 CheckReplDBHash should not print error message when the system collections differ in the presence of other errors
SERVER-21801 CheckReplDBHash testing hook should check document type (resmoke.py)
SERVER-21875 AttributeError in hang_analyzer.py when sending SIGKILL on Windows
SERVER-21892 Include thread ID in concurrency suite error report
SERVER-21894 Remove unused 'hashed' resmoke.py tags from JS tests
SERVER-21902 Use multiple shard nodes in the jstestfuzz_sharded suite
SERVER-21916 Add missing tasks/suites to ASan Evergreen variant
SERVER-21917 Add the httpinterface test suite to the Enterprise RHEL 6.2 variant
SERVER-21934 Add extra information to OSX stack traces to facilitate addr2line translation
SERVER-21940 Workload connection cache in FSM suite is not nulled out properly
SERVER-21949 Add validation testing hook to resmoke.py
SERVER-21952 jstestfuzz tasks should not run with --continueOnFailure
SERVER-21959 Do not truncate stack traces in log messages
SERVER-21960 Include symbol name in stacktrace json when available
SERVER-21964 Remove startPort option from ReplSetTest options in jstests/replsets/auth1.js
SERVER-21978 move_primary_basic.js should always set a fixed primary shard
SERVER-21990 Deprecation warning from resmoke.py - replicaset.py insert is deprecated
SERVER-22028 hang_analyzer should fail when run against unsupported lldb
SERVER-22034 Server presents clusterFile certificate for incoming connections
SERVER-22054 Authentication failure reports incorrect IP address
SERVER-22055 Cleanup unused legacy client functionality from the server code
SERVER-22059 Add the authSchemaUpgrade command to the readConcern passthrough
SERVER-22066 range_deleter_test:ImmediateDelete is flaky
SERVER-22083 Delete the disabled fsm_all_master_slave.js test runner
SERVER-22098 Split FSM sharded tests for SCCC into a separate suite
SERVER-22099 Remove unreliable check in cleanup_orphaned_basic.js
SERVER-22120 No data found after force sync in no_chaining.js
SERVER-22121 Add resmoke.py validation testing hook to test suites
SERVER-22142 resmoke.py's FlushThread attempts to reference imported members during Python interpreter shutdown
SERVER-22154 csrs_upgrade.js, csrs_upgrade_during_migrate.js should be blacklisted on in-mem
SERVER-22165 Deadlock in resmoke.py between logger pipe and timer thread
SERVER-22171 The lint task is running on 3 Evergreen variants
SERVER-22219 Use the subprocess32 package on POSIX systems in resmoke.py if it's available
SERVER-22324 Update findAndModify FSM workloads to handle not matching anything
TOOLS-1028 expose qr/qw and ar/aw fields in mongostat JSON output mode.

3.2.1 Changelog

Security

SERVER-21724 Backup role can't read system.profile
SERVER-21824 Disable kmip.js test in ESE suite; re-enable once fixed
SERVER-21890 Create a flag to allow server realm to be specified explicitly on Windows

Sharding

SERVER-20824 Test for sharding state recovery
SERVER-21076 Write tests to ensure that operations using DBDirectClient handle shard versioning properly
SERVER-21132 Add more basic tests for moveChunk
SERVER-21133 Add more basic test for mergeChunk
SERVER-21134 Add more basic tests for shardCollection
SERVER-21135 Add more basic tests for sharded implicit database creation
SERVER-21136 Add more basic tests for enableSharding
SERVER-21137 Add more basic tests for movePrimary
SERVER-21138 Add more basic tests for dropDatabase
SERVER-21139 Add more basic tests for drop collection
SERVER-21366 Long-running transactions in MigrateStatus::apply
SERVER-21586 Investigate v3.0 mongos and v3.2 cluster compatibility issues in jstests/sharding
SERVER-21704 JS Test single_node_config_server_smoke has race condition
SERVER-21706 Certain parameters to mapReduce trigger segmentation fault in a sharded cluster
SERVER-21786 Fix code coverage gaps in s/query directory exposed by code coverage tool
SERVER-21848 bulk write operations on config/admin triggers invariant failure

Replication

SERVER-21248 jstests for fast-failover correctness
SERVER-21667 do not set lastop on clients used by replication on secondaries
SERVER-21795 Do not reschedule more than one liveness timeout callback at a time
SERVER-21847 log range of operations read from sync source during replication
SERVER-21868 Shutdown may not be handled correctly on secondary nodes
SERVER-21930 Restart oplog query if oplog entries are not monotonically increasing

Query

SERVER-21600 Increase test coverage for killCursors command and OP_KILLCURSORS
SERVER-21602 Reduce execution time of cursor_timeout.js
SERVER-21637 Add mixed version tests for find/getMore commands
SERVER-21638 Audit and improve logging in new find/getMore commands code
SERVER-21750 getMore command does not set "nreturned" operation counter

Storage

SERVER-21384 Expand testing for in memory storage engines
SERVER-21545 collMod and invalid parameter triggers fassert on dropCollection on mmapv1
SERVER-21885 capped_truncate.js cannot be run with --repeat
SERVER-21920 Use enhanced WiredTiger next_random cursors for oplog stones

WiredTiger

SERVER-21792 75% performance regression in insert workload under Windows between 3.0.7 and 3.2 with WiredTiger
SERVER-21872 WiredTiger changes for 3.2.1

Operations

SERVER-21870 Missing space in error message

Build and Packaging

SERVER-13370 Generate Enterprise RPM's for Amazon Linux
SERVER-21781 Nightly packages are in the wrong repo directories
SERVER-21796 fix startup_log.js test to handle git describe versioning
SERVER-21864 streamline artifact signing procedure to support coherent release process

Tools

TOOLS-954 Add bypassDocumentValidation option to mongorestore and mongoimport
TOOLS-982 Missing "from" text in mongorestore status message

Internals

SERVER-21164 Change assert to throw in rslib.js's wait loop
SERVER-21214 Dump config server data when the sharded concurrency suites fail
SERVER-21426 Add writeConcern support to benchRun
SERVER-21450 Modify MongoRunner to add enableMajorityReadConcern flag based on jsTestOptions
SERVER-21500 Include the name of the FSM workload in the WorkloadFailure description
SERVER-21516 Remove dbStats command from readConcern testing override
SERVER-21665 Suppress tar output in jstestfuzz tasks
SERVER-21714 Increase replSetTest.initiate() timeout for FSM tests
SERVER-21719 Add initiateTimeout rsOption for ShardingTest
SERVER-21725 Enable the analysis script move
SERVER-21737 remove deprecated release process configuration from master branch evergreen configuration
SERVER-21752 slow2_wt fails by exhausting host machine's memory
SERVER-21768 Remove the 'numCollections' field from dbHash's response
SERVER-21772 findAndModify not captured by Profiler
SERVER-21793 create v3.2 branch and update evergreen configuration
SERVER-21849 Fix timestamp compare in min_optime_recovery.js
SERVER-21852 kill_cursors.js fails in small_oplog* configurations
SERVER-21871 Do not run min_optime_recovery.js on ephemeralForTest storageEngine
SERVER-21901 CheckReplDBHash checks the wrong node when dumping docs from missing collections
SERVER-21923 ReplSetTest.awaitSecondaryNodes does not propagate supplied timeout
TOOLS-944 write concern mongos tests are flaky
TOOLS-1002 oplog_rollover test is flaky

Back

Release Notes for MongoDB 3.2

Compatibility Changes in MongoDB 3.2

3.2 Changelog.leafygreen-ui-m0pgrr{-webkit-align-self:center;-ms-flex-item-align:center;align-self:center;padding:0 10px;visibility:hidden;}.leafygreen-ui-a30zj9{color:#889397;vertical-align:middle;margin-top:-2px;}.css-fmznk8{margin-top:-85px;position:absolute;padding-bottom:2px;}

3.2.22 Changelog

Replication

Internals

3.2.21 Changelog

Query

Storage

Operations

Build and Packaging

Internals

3.2.20 Changelog

Security

Operations

Build and Packaging

Internals

3.2.19 Changelog

Sharding

Replication

Query

Write Operations

Storage

Operations

Build and Packaging

Internals

3.2.18 Changelog

Replication

Aggregation

JavaScript

Storage

Operations

Build and Packaging

Internals

3.2.17 Changelog

Security

Sharding

Replication

JavaScript

Storage

Build and Packaging

Internals

3.2.16 Changelog

Replication

Internals

3.2.15 Changelog

Replication

JavaScript

Storage

WiredTiger

Operations

Build and Packaging

Internals

3.2.14 Changelog

Security

Sharding

Replication

JavaScript

Operations

Build and Packaging

Internals

3.2.13 Changelog

Sharding

Replication

Query

Aggregation

JavaScript

Storage

WiredTiger

MMAP

TTL

Operations

Build and Packaging

Internals

3.2.12 Changelog

Security

Sharding

Replication

Query

Write Operations

Aggregation

JavaScript

3.2 Changelog